Joe Biden appears to bite a baby's leg while the tot is dressed like a chicken and being held by its mum who carried the kid to the President, in this bizarre photo. The gaffe-strewn outgoing US President playfully pretended to nibble a baby's foot as he welcomed trick-or-treaters at a White House Halloween event on Wednesday and was also spotted giving a kiss on another child's forehead and appearing to bite the knee of another tot. The mum seemed unfazed by the situation and revelled in